Add oil, and popcorn kernels into large round. Cover with octagonal bonmat.
Microwave for 3-5 minutes. (first time you make set your microwave for longer and stand by. After popping begins when you can count to 2 between pops turn off the microwave and note the time it took)
Add cheddar cheese and salt to hot popcorn, stir to mix it all together. Enjoy.